#!/bin/bash
# user can input 2 integer to cross by
# 数值运算

echo -e "You should input 2 number, I will cross they!\n"
read -p "first number:" firstnu
read -p "second number:" secnu

total=$(($firstnu*$secnu))
echo -e "\nThe number $firstnu x $secnu is ==> $total"

exit 0
